const express = require('express');
const app = express();
const port = 9999;

app.get('/ie', (request, response) => {
    // 设置跨域，必须设置
    response.setHeader('Access-Control-Allow-Origin', '*');

    response.send('IE 缓存问题 - 3');
})

app.listen(port, () => {
    console.log('监听端口号：' + port);
})